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Results tagged with chain
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user 675
Repairing, maintaining, or replacing the chain on your bike that connects the front of the drivetrain (cranks, chainrings) to the back (cogs, cassette).
5
votes
How to Sight a Chain Line
Using a straight ruler (a small flat metal one is easiest), measure from the centerline of the rear hub to the center of the chain around the cog. … Then measure from the center of the seat tube to the center of the chain around the chainring.
Voila, chainline measurements. …
- 7,594
1
vote
Quiet and strong chain recommendation for fixed gear commuter bike
A dry and/or dirty chain is, in fact often the culprit. I've used the Sram PC7X and it was a perfectly fine, silent chain for me. … Also, it is a common misconception that fixed-gear chains should be "as tight as possible", this leads to binding and premature chain wear. …
- 7,594
0
votes
Accepted
Do Master Link pliers help with SS / fixie chain assembly?
An alternate technique you might try is only partially wrapping the chain around the top half of the chainring during reinstallation. … Once the chain is joined, pedaling forward slowly should be able to pull it the rest of the way onto the chainring. Use caution to avoid binding. …
- 7,594
5
votes
slow bike...is it the chain?
One note is that the gearing is different, assuming they're still stock.
The Specialized Langster London has a 42t chainring and 16t cog, the 2013 Langster has a 48t chanring and 17t cog. With 700x2 …
- 7,594
12
votes
If the chain/cog no longer drives the wheel, can this be fixed?
There are four main possibilities, depending on the quality and age of bike.
The most likely scenario is that the wheel is a traditional kid's coaster brake wheel - one gear forward, pedal backwards …
- 7,594
5
votes
Accepted
What's the loss of effective output, with a worn chain?
This extensive IHPVA article about chain drive efficiency shows a model of how you might empirically test the losses, and describes the efficiencies of a new chain. … Their test suggests that lubrication and chainline matter very little, while chain tension is of significant importance. …
- 7,594